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Finding the Fourth Proportional to 443,849.66, 612,500.23 and 250,255.68

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Solution

The fourth proportional to 443,849.66, 612,500.23 and 250,255.68 is: 345,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,849.66 : 612,500.23 = 250,255.68 : x
  2. Step 2: Convert to fraction form
    443,849.66/612,500.23 = 250,255.68/x
  3. Step 3: Cross multiply
    443,849.66x = 612,500.23 × 250,255.68
  4. Step 4: Simplify right side
    443,849.66x = 153,281,659,574.75
  5. Step 5: Solve for x
    x = 153,281,659,574.75/443,849.66
  6. Step 6: Final answer
    x = 345,345.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.